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SubjectRe: [GIT PULL] Please pull NFS client changes for Linux 4.13
On Mon, Jul 31, 2017 at 10:35:45PM -0700, Linus Torvalds wrote:
> On Mon, Jul 31, 2017 at 8:43 AM, davej@codemonkey.org.uk
> <davej@codemonkey.org.uk> wrote:
> > Another NFSv4 KASAN splat, this time from rc3.
> >
> > BUG: KASAN: use-after-free in nfs4_exchange_id_done+0x3d7/0x8e0 [nfsv4]
>
> Ugh. It's really hard to tell what access that it - KASAN doesn't
> actually give enough information. There's lots of 8-byte accesses
> there in that function.
>
> Any chance of getting the output from
>
> ./scripts/faddr2line vmlinux nfs4_exchange_id_done+0x3d7/0x8e0


Hm, that points to this..

7463 /* Save the EXCHANGE_ID verifier session trunk tests */
7464 memcpy(clp->cl_confirm.data, cdata->args.verifier->data,
7465 sizeof(clp->cl_confirm.data));

Dave

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